Alpha Hex code 8-Digit

#alpha#hex

.element {
/* This is green */
background: rgb(0, 255, 0);
/* It's the same as this */
background: #00ff00;
/* We could make it 50% transparent like this */
background: rgba(0, 255, 0, 0.5);
/* Or, with an alpha hex like this */
background: #00ff0080;
}